Install and Setup Oh My Zsh

Install ZSH
Ubuntu/Debian Base:

sudo apt install zsh

Arch Linux Base:

sudo pacman -S zsh

Install Oh-my-zsh – https://github.com/ohmyzsh/ohmyzsh
Dependencies: Git, Zsh, curl, or wget
Arch Linux Base:

sudo apt install git curl 

Install Oh My Zsh
Run this command in your terminal:

sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"

Read more instruction from ohmyzsh website: https://github.com/ohmyzsh/ohmyzsh

Install Powerlevel10k – https://github.com/romkatv/powerlevel10k
Clone the Powerlevel10k repository into your Oh My Zsh themes directory:

git clone --depth=1 https://github.com/romkatv/powerlevel10k.git "${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/themes/powerlevel10k"

Read more information about Powerlevel10k at https://github.com/romkatv/powerlevel10k

Configure Your Theme
Edit your .zshrc file:

nano ~/.zshrc

Find the line that says ZSH_THEME=“robbyrussell“ and change it to:

ZSH_THEME="powerlevel10k/powerlevel10k"

Install Recommended Fonts from Nerd Fonts
https://www.nerdfonts.com/font-downloads

Powerlevel10k works best with Nerd Fonts. Install one of these MesloLGS fonts from the nerd font website above:

# Download and install MesloLGS NF fonts to this folder
mkdir -p ~/.local/share/fonts

And run the command below to apply the fonts

fc-cache -f -v

Set Terminal Font in Linux
Configure your terminal to use the installed Nerd Font:
Preferences → Profiles → Font → „MesloLGS NF“

Restart Your Shell:

source ~/.zshrc

Configure Powerlevel10k
The configuration wizard should start automatically. If not, run:

p10k configure

Optional: Popular Oh My Zsh Plugins
While configuring, you might want to add some useful plugins. Edit ~/.zshrc and find the plugins line:

plugins=(
    git
    zsh-autosuggestions
    zsh-syntax-highlighting
    web-search
    copyfile
    copybuffer
    dirhistory
    autojump
    fzf
)

More plugin can be found here https://github.com/ohmyzsh/ohmyzsh/wiki/plugins

# zsh-autosuggestions
git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions

# zsh-syntax-highlighting
git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting

Apply Changes restart the shell:

source ~/.zshrcc

Your terminal should now display the beautiful Powerlevel10k theme! If you ever want to reconfigure it, just run p10k configure again.

p10k configure